3-22
3-23
CD APC TR
CD Disc Recoding fail
Moto Drive IC
P/up, Spindle, Loading
Motor not work
Tray Moving speed control
Test signal for PLL adjust
RF Signal
Distinguishing
Disc type
Ude Interface
with MPEG IC
Find best point for Tracking, Focus Servo
-> Tracking, Focus Servo will fail
Tray Moving speed control
CD VR TR
CD Disc detect error
DVD VR TR
Disc detect error
DVD APC TR
DVD Disc Recoding fail
RF IC
Disc detect error
Reference voltage
for normal servo
Check the
speed spindle
Servo DSP IC
Close tray
Open tray
Focus Servo loop
Tracking Servo loop
Spindle Servo loop
Sled Servo loop
R10724A
'02. 12. 20
2. RF & SERVO CIRCUIT DIAGRAM
